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ASoC: amd: acp: Power on/off the speaker enable gpio pin based on DAPM callback.

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Configure the speaker gpio pin based on power sequence of the DAPM
speaker events.
Enable speaker after widget power up and Disable before widget  powerdown.

Signed-off-by: V sujith kumar Reddy <vsujithkumar.reddy@amd.com>
Link: https://lore.kernel.org/r/20211224150058.2444776-1-vsujithkumar.reddy@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
V sujith kumar Reddy 2021-12-24 20:30:43 +05:30 committed by Mark Brown
parent b2fde4deff
commit 5c5f08f7fc
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
5 changed files with 71 additions and 10 deletions
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6
sound/soc/amd/acp/Kconfig
View File

@ -32,7 +32,7 @@ config SND_AMD_ASOC_RENOIR
config SND_SOC_AMD_MACH_COMMON
tristate
depends on X86 && PCI && I2C
depends on X86 && PCI && I2C && GPIOLIB
select CLK_FIXED_FCH
select SND_SOC_RT5682_I2C
select SND_SOC_DMIC
@ -44,14 +44,14 @@ config SND_SOC_AMD_MACH_COMMON
config SND_SOC_AMD_LEGACY_MACH
tristate "AMD Legacy Machine Driver Support"
depends on X86 && PCI && I2C
depends on X86 && PCI && I2C && GPIOLIB
select SND_SOC_AMD_MACH_COMMON
help
This option enables legacy sound card support for ACP audio.
config SND_SOC_AMD_SOF_MACH
tristate "AMD SOF Machine Driver Support"
depends on X86 && PCI && I2C
depends on X86 && PCI && I2C && GPIOLIB
select SND_SOC_AMD_MACH_COMMON
help
This option enables SOF sound card support for ACP audio.

19
sound/soc/amd/acp/acp-legacy-mach.c
View File

@ -27,6 +27,7 @@ static struct acp_card_drvdata rt5682_rt1019_data = {
.hs_codec_id = RT5682,
.amp_codec_id = RT1019,
.dmic_codec_id = NONE,
.gpio_spkr_en = EN_SPKR_GPIO_GB,
};
static const struct snd_kcontrol_new acp_controls[] = {
@ -41,15 +42,16 @@ static const struct snd_kcontrol_new acp_controls[] = {
static const struct snd_soc_dapm_widget acp_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_SPK("Spk", NULL),
SND_SOC_DAPM_SPK("Left Spk", NULL),
SND_SOC_DAPM_SPK("Right Spk", NULL),
SND_SOC_DAPM_SPK("Spk", event_spkr_handler),
SND_SOC_DAPM_SPK("Left Spk", event_spkr_handler),
SND_SOC_DAPM_SPK("Right Spk", event_spkr_handler),
};
static int acp_asoc_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = NULL;
struct device *dev = &pdev->dev;
unsigned int spkr_gpio;
int ret;
if (!pdev->id_entry)
@ -67,9 +69,20 @@ static int acp_asoc_probe(struct platform_device *pdev)
card->controls = acp_controls;
card->num_controls = ARRAY_SIZE(acp_controls);
card->drvdata = (struct acp_card_drvdata *)pdev->id_entry->driver_data;
spkr_gpio = ((struct acp_card_drvdata *)(card->drvdata))->gpio_spkr_en;
acp_legacy_dai_links_create(card);
if (gpio_is_valid(spkr_gpio)) {
ret = devm_gpio_request(dev, spkr_gpio, "spkren");
if (ret) {
dev_err(dev, "(%s) gpio request failed: %d\n",
__func__, ret);
return ret;
}
gpio_direction_output(spkr_gpio, 0);
}
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (ret) {
dev_err(&pdev->dev,

25
sound/soc/amd/acp/acp-mach-common.c
View File

@ -71,6 +71,31 @@ static const struct snd_soc_dapm_route rt5682_map[] = {
{ "IN1P", NULL, "Headset Mic" },
};
int event_spkr_handler(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event)
{
struct snd_soc_dapm_context *dapm = w->dapm;
struct snd_soc_card *card = dapm->card;
struct acp_card_drvdata *drvdata = snd_soc_card_get_drvdata(card);
if (!gpio_is_valid(drvdata->gpio_spkr_en))
return 0;
switch (event) {
case SND_SOC_DAPM_POST_PMU:
gpio_set_value(drvdata->gpio_spkr_en, 1);
break;
case SND_SOC_DAPM_PRE_PMD:
gpio_set_value(drvdata->gpio_spkr_en, 0);
break;
default:
dev_warn(card->dev, "%s invalid setting\n", __func__);
break;
}
return 0;
}
EXPORT_SYMBOL_NS_GPL(event_spkr_handler, SND_SOC_AMD_MACH);
/* Define card ops for RT5682 CODEC */
static int acp_card_rt5682_init(struct snd_soc_pcm_runtime *rtd)
{

10
sound/soc/amd/acp/acp-mach.h
View File

@ -17,6 +17,12 @@
#include <linux/input.h>
#include <linux/module.h>
#include <sound/soc.h>
#include <linux/gpio.h>
#include <linux/gpio/consumer.h>
#define EN_SPKR_GPIO_GB 0x11F
#define EN_SPKR_GPIO_NK 0x146
#define EN_SPKR_GPIO_NONE -EINVAL
enum be_id {
HEADSET_BE_ID = 0,
@ -49,9 +55,11 @@ struct acp_card_drvdata {
unsigned int dai_fmt;
struct clk *wclk;
struct clk *bclk;
unsigned int gpio_spkr_en;
};
int acp_sofdsp_dai_links_create(struct snd_soc_card *card);
int acp_legacy_dai_links_create(struct snd_soc_card *card);
int event_spkr_handler(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *k, int event);
#endif

21
sound/soc/amd/acp/acp-sof-mach.c
View File

@ -27,6 +27,7 @@ static struct acp_card_drvdata sof_rt5682_rt1019_data = {
.hs_codec_id = RT5682,
.amp_codec_id = RT1019,
.dmic_codec_id = DMIC,
.gpio_spkr_en = EN_SPKR_GPIO_GB,
};
static struct acp_card_drvdata sof_rt5682_max_data = {
@ -36,6 +37,7 @@ static struct acp_card_drvdata sof_rt5682_max_data = {
.hs_codec_id = RT5682,
.amp_codec_id = MAX98360A,
.dmic_codec_id = DMIC,
.gpio_spkr_en = EN_SPKR_GPIO_NK,
};
static struct acp_card_drvdata sof_rt5682s_max_data = {
@ -45,6 +47,7 @@ static struct acp_card_drvdata sof_rt5682s_max_data = {
.hs_codec_id = RT5682S,
.amp_codec_id = MAX98360A,
.dmic_codec_id = DMIC,
.gpio_spkr_en = EN_SPKR_GPIO_NK,
};
static const struct snd_kcontrol_new acp_controls[] = {
@ -58,15 +61,16 @@ static const struct snd_kcontrol_new acp_controls[] = {
static const struct snd_soc_dapm_widget acp_widgets[] = {
SND_SOC_DAPM_HP("Headphone Jack", NULL),
SND_SOC_DAPM_MIC("Headset Mic", NULL),
SND_SOC_DAPM_SPK("Spk", NULL),
SND_SOC_DAPM_SPK("Left Spk", NULL),
SND_SOC_DAPM_SPK("Right Spk", NULL),
SND_SOC_DAPM_SPK("Spk", event_spkr_handler),
SND_SOC_DAPM_SPK("Left Spk", event_spkr_handler),
SND_SOC_DAPM_SPK("Right Spk", event_spkr_handler),
};
static int acp_sof_probe(struct platform_device *pdev)
{
struct snd_soc_card *card = NULL;
struct device *dev = &pdev->dev;
unsigned int spkr_gpio;
int ret;
if (!pdev->id_entry)
@ -84,9 +88,20 @@ static int acp_sof_probe(struct platform_device *pdev)
card->controls = acp_controls;
card->num_controls = ARRAY_SIZE(acp_controls);
card->drvdata = (struct acp_card_drvdata *)pdev->id_entry->driver_data;
spkr_gpio = ((struct acp_card_drvdata *)(card->drvdata))->gpio_spkr_en;
acp_sofdsp_dai_links_create(card);
if (gpio_is_valid(spkr_gpio)) {
ret = devm_gpio_request(dev, spkr_gpio, "spkren");
if (ret) {
dev_err(dev, "(%s) gpio request failed: %d\n",
__func__, ret);
return ret;
}
gpio_direction_output(spkr_gpio, 0);
}
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (ret) {
dev_err(&pdev->dev,